LBTYB vs RMR: Correlation
How closely do Liberty Global Ltd. - Class B (LBTYB) and The RMR Group Inc. (RMR) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LBTYB and RMR?
Across a 3-year window, the weekly returns of LBTYB and RMR correlate at 0.38, moderate. Recent behaviour matches the longer record: 0.43 over 1 year against 0.38 over 3. Stretching to 5 years gives 0.33, with an annualized covariance of 597.6 %².
RMR is one of the assets that tracks LBTYB most closely: it ranks #3 out of the 22 assets we track against LBTYB. Their recent paths diverged sharply: over the last 12 months RMR outperformed by 18.9 percentage points (+10.5% for LBTYB against +29.4% for RMR). One caveat on sizing: LBTYB is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
LBTYB vs RMR: side by side
| LBTYB (Liberty Global Ltd. - Class B) | RMR (The RMR Group Inc.) | |
|---|---|---|
| 1-year return | +10.5% | +29.4% |
| 5-year return | -55.0% | -25.0% |
| Volatility (ann.) | 57.5% | 27.3% |
| Beta vs S&P 500 | 0.32 | 0.70 |
| Max drawdown (3Y) | -58.2% | -45.0% |
| Market cap | $4.4B | $0.3B |
| P/E (trailing) | – | 16.9 |
| Dividend yield | 0.00% | 9.23% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LBTYB | RMR |
|---|---|---|
| 2022 | -32.5% | -13.9% |
| 2023 | -6.3% | +6.5% |
| 2024 | -27.3% | -21.5% |
| 2025 | -8.7% | -19.4% |
| 2026 | +9.4% | +41.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LBTYB and RMR good diversifiers for each other?
Reasonably. At 0.38, LBTYB and RMR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LBTYB and RMR?
As of 2026-08-27, the correlation of weekly returns between LBTYB and RMR is 0.38 over 3 years, 0.43 over 1 year and 0.33 over 5 years.
Is RMR a good diversifier for LBTYB?
Reasonably. At 0.38, LBTYB and RMR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
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Related comparisons
Hubs: LBTYB correlations · RMR correlations
